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At Sun, 01 Mar 2009 17:49:36 +0100 KH <gentoo-user@××××××××××××××××.de> wrote: |
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> Peter Humphrey schrieb: |
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>> As it's Sunday, here's an odd little thing. |
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>> |
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>> Not long ago, while booting this machine, four ext3 partitions needed checks |
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>> on remount count reaching zero. They had been set to 23, 24, 25 and 26 |
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>> mounts. (I didn't choose the numbers; they were allocated at the time I was |
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>> creating the file system.) |
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>> |
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>> Now, this box does get rebooted, but hardly 23 x 24 x 25 x 26 = 358,800 |
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>> times all told. At, say, two reboots per day, that would take rather a long |
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>> time: a little under 500 years if my arithmetic is working. |
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>> |
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>> |
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> Hi, |
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> |
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> this is incorrect. 179400 mounts would be enough (24 and 26 can both be |
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> divided by 2). |
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|
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Correct. I erred in saying that 23,24,25,26 are relatively prime as you |
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noted. In general if it was a1,a2,...an the answer would be |
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LCM(a1,a2,...,an), where LCM abbreviates Least Common Multiple. |
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|
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allan |
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